document.write( "Question 1061397:
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document.write( "Harry drove for 4 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 6 more hours on a country road. If his total trip was 530 miles, then what was his speed on the freeway? \n" );
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Algebra.Com's Answer #676205 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Harry drove for 4 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 6 more hours on a country road. If his total trip was 530 miles, then what was his speed on the freeway? \n" ); document.write( "---------- \n" ); document.write( "f = speed on the freeway. \n" ); document.write( "---- \n" ); document.write( "4f + 6(f-20) = 530 \n" ); document.write( "Solve for f. \n" ); document.write( " \n" ); document.write( " |